[PATCH v2 9/9] drm/xe/xe_ras: Control xe drm_ras registration with a flag

[Raag Jadav <raag.jadav@intel.com>]

From: Riana Tauro <riana.tauro@intel.com>

Add a flag to control xe drm_ras registration.
Enable this flag for PVC and CRI to support exposing RAS error counters
via netlink.

Signed-off-by: Riana Tauro <riana.tauro@intel.com>
Reviewed-by: Raag Jadav <raag.jadav@intel.comg
---
 drivers/gpu/drm/xe/xe_device_types.h | 2 ++
 drivers/gpu/drm/xe/xe_pci.c          | 3 +++
 drivers/gpu/drm/xe/xe_pci_types.h    | 1 +
 drivers/gpu/drm/xe/xe_ras.c          | 2 +-
 4 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_device_types.h b/drivers/gpu/drm/xe/xe_device_types.h
index 062fd7eb17e6..f4b289140f69 100644
--- a/drivers/gpu/drm/xe/xe_device_types.h
+++ b/drivers/gpu/drm/xe/xe_device_types.h
@@ -156,6 +156,8 @@ struct xe_device {
 		u8 has_cached_pt:1;
 		/** @info.has_device_atomics_on_smem: Supports device atomics on SMEM */
 		u8 has_device_atomics_on_smem:1;
+		/** @info.has_drm_ras: Device supports drm_ras (Reliability, Availability, Serviceability) */
+		u8 has_drm_ras:1;
 		/** @info.has_fan_control: Device supports fan control */
 		u8 has_fan_control:1;
 		/** @info.has_flat_ccs: Whether flat CCS metadata is used */
diff --git a/drivers/gpu/drm/xe/xe_pci.c b/drivers/gpu/drm/xe/xe_pci.c
index 72429c418d74..47ba17d8a3a2 100644
--- a/drivers/gpu/drm/xe/xe_pci.c
+++ b/drivers/gpu/drm/xe/xe_pci.c
@@ -355,6 +355,7 @@ static const __maybe_unused struct xe_device_desc pvc_desc = {
 	PLATFORM(PVC),
 	.dma_mask_size = 52,
 	.has_display = false,
+	.has_drm_ras = true,
 	.has_gsc_nvm = 1,
 	.has_heci_gscfi = 1,
 	.max_gt_per_tile = 1,
@@ -456,6 +457,7 @@ static const struct xe_device_desc cri_desc = {
 	PLATFORM(CRESCENTISLAND),
 	.dma_mask_size = 52,
 	.has_display = false,
+	.has_drm_ras = true,
 	.has_flat_ccs = false,
 	.has_gsc_nvm = 1,
 	.has_i2c = true,
@@ -746,6 +748,7 @@ static int xe_info_init_early(struct xe_device *xe,
 
 	xe->info.is_dgfx = desc->is_dgfx;
 	xe->info.has_cached_pt = desc->has_cached_pt;
+	xe->info.has_drm_ras = desc->has_drm_ras;
 	xe->info.has_fan_control = desc->has_fan_control;
 	/* runtime fusing may force flat_ccs to disabled later */
 	xe->info.has_flat_ccs = desc->has_flat_ccs;
diff --git a/drivers/gpu/drm/xe/xe_pci_types.h b/drivers/gpu/drm/xe/xe_pci_types.h
index 5b85e2c24b7b..24d4a3d00517 100644
--- a/drivers/gpu/drm/xe/xe_pci_types.h
+++ b/drivers/gpu/drm/xe/xe_pci_types.h
@@ -40,6 +40,7 @@ struct xe_device_desc {
 
 	u8 has_cached_pt:1;
 	u8 has_display:1;
+	u8 has_drm_ras:1;
 	u8 has_fan_control:1;
 	u8 has_flat_ccs:1;
 	u8 has_gsc_nvm:1;
diff --git a/drivers/gpu/drm/xe/xe_ras.c b/drivers/gpu/drm/xe/xe_ras.c
index 57ee0ed0d46c..7464057839ec 100644
--- a/drivers/gpu/drm/xe/xe_ras.c
+++ b/drivers/gpu/drm/xe/xe_ras.c
@@ -233,7 +233,7 @@ void xe_ras_init(struct xe_device *xe)
 {
 	int ret;
 
-	if (xe->info.platform != XE_PVC)
+	if (!xe->info.has_drm_ras)
 		return;
 
 	ret = xe_drm_ras_init(xe);
-- 
2.43.0